Ti amo anch'io is just one answer to the Italian statement Ti amo.
Specifically, the personal pronoun ti means "(informal singular) you". The verb amo means "(I) am loving, do love, love". The adverb/conjunction anche* means "also, too". The personal pronoun io translates as "I".
The pronunciation will be "tee A-mo an-KEE-o" in Italian.
*The vowel drops -- and is replaced by an apostrophe -- before a word which begins with a vowel.
"You, I love you!" is a literal English equivalent of the Italian phrase Tu, ti amo! The declarative/exclamatory statement tends to convey the force of "It's you I love!" in English. The pronunciation will be "too tee A-mo" in Italian.
Ti amo! Come stai? in Italian means "I love you! How are you?" in English.
Ti amo, madre! in Italian means "I love you, Mom!" in English.
They both mean 'I love you.' Te amo is in Spanish. Ti amo is in Italian.
I love you, I love you is an English equivalent of 'Ti amo, ti amo'. The personal pronoun 'ti' means 'you'. The verb 'amo' means '[I] am loving, do love, love'. Together, they're pronounced 'tee AH-moh'.
Ti amo troppo! in Italian means "I love you too much!" in English.
Ti amo tanto! in Italian means "I love you so much!" in English.
"I love you, my love!" is an English equivalent of the Italian phrase Ti amo, mi'amore! The declaration/exclamation models such colloquial, conversational, friendly, informal, poetic forms -- of Ti amo, mio amore! and Ti amo, amore mio! -- as Ti amo, amor mio, Ti amo, mi'amor, and Ti amo, mio amore, whose casual nature is indicate by the dropping of consonants and vowels. The pronunciation will be "tee A-mo MEE-a-MO-rey" in Italian.
Ti amo, mamma! is an Italian equivalent of the English phrase "I love you, Mamma!" The declarative/exclamatory statement also translates as "I do love you, Mom (Mommie, Mum, Mummie)!" in English. The pronunciation will be "tee A-mo MAM-ma" in Italian.
Ti amo da morire in Italian means "I love you to death" in English.
Bambino, ti amo! in Italian means "I love you, baby!" in English.
"I love you very much!" in English is Ti amo molto! in Italian.